Cleveland Hibore XL - Possibly Non Conforming

If you own a 10.5 degree Hibore XL, you may want to have it checked out. According to Cleveland golf, some of the 10.5 degree versions of the head have failed conformance testing by the USGA. Here is the skinny: Cleveland Golf has determined that, due to a variance in our manufacturing process, a limited number of HiBORE XL 10.5 degree drivers may not conform to the Characteristic Time test ... [link]